Home / 104,475.12-156,737.03-83,208.36

Finding the Fourth Proportional to 104,475.12, 156,737.03 and 83,208.36

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Solution

The fourth proportional to 104,475.12, 156,737.03 and 83,208.36 is: 124,831.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,475.12 : 156,737.03 = 83,208.36 : x
  2. Step 2: Convert to fraction form
    104,475.12/156,737.03 = 83,208.36/x
  3. Step 3: Cross multiply
    104,475.12x = 156,737.03 × 83,208.36
  4. Step 4: Simplify right side
    104,475.12x = 13,041,831,389.29
  5. Step 5: Solve for x
    x = 13,041,831,389.29/104,475.12
  6. Step 6: Final answer
    x = 124,831.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.